tapek-ribbon

! tapek-ribbon.scl
!
Eq-diff ribbon extension of Superpyth, made of two Tapek sequences
12
!
1777/1656 ! C#
627/552 ! D
173/138 ! E
4273/3312 ! E+
1465/1104 ! F
131/92 ! F#
104/69 ! G
3673/2208 ! A
945/552 ! A+
243/138 ! Bb
1043/552 ! B
2/1
! Tapek -c and triple h.eq-b recurrent sequence 3x^3 = x^2 + 8
! and Superpyth temperament (generator = 710.25498677616 c.)
! completed by the arithmetical mean ribbon y = (1 + x)/2,
! equal-differential frequencies of all [7:6:5:4] tetrads
! main sequence : 243 1465 69 13 627 945 4273/3 ... (C = 69)
! major third sequence : 3673 173 1043 393 1777/3...